2686886032121 has 4 divisors (see below), whose sum is σ = 2706216147600. Its totient is φ = 2667555916644.

The previous prime is 2686886032109. The next prime is 2686886032141. The reversal of 2686886032121 is 1212306886862.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2686886032121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2686886032141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9665057531 + ... + 9665057808.

It is an arithmetic number, because the mean of its divisors is an integer number (676554036900).

Almost surely, 2^{2686886032121} is an apocalyptic number.

It is an amenable number.

2686886032121 is a deficient number, since it is larger than the sum of its proper divisors (19330115479).

2686886032121 is a wasteful number, since it uses less digits than its factorization.

2686886032121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19330115478.

The product of its (nonzero) digits is 2654208, while the sum is 53.

The spelling of 2686886032121 in words is "two trillion, six hundred eighty-six billion, eight hundred eighty-six million, thirty-two thousand, one hundred twenty-one".